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Paul Warren

Welcome to my home on the internet! Everything here is free under the Creative Commons Attribution 3.0 license unless marked otherwise.

This site contains various pieces of writing across my various interests.

Thanks to Paul Fenwick for doing all the hard work, you can fork his original site on github, or my version (this site). Please feel free to send pull requests for bugs!

Mst2 20m Buildlog Day 2 And 3

Apr 20 , 2014

Well, yesterday we continued the odyssey, and got all the capacitors and transistors in, finishing off today with the transformers and chokes, pin headers and crystals, so we’re all done for the easy bits!

I had a few oddities, the instructions specified 1.8pF NPO caps, but the kit came with 2pF caps in place. I have a left over 2 pin header (which I just realised should go on the VFO input!), and no 3 pin header for the DDS-VFO power, a bit odd, but easily worked around :) (read more...)

Mst2 20m Buildlog Day1

Apr 19 , 2014

In continuation of my radio building, I have started on my OzQRP MST2, 20m band SSB radio kit. Ordered on Wednesday, it arrived Thursday afternoon! It helps that I live quite close to where they’re sent from!

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Rf Probe

Apr 5 , 2014

Well, I started my radio building journey today, by building an RF probe:

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Vk1paw

Apr 4 , 2014

After passing my Standard Assesment, and receiving my Amateur Operator Certificate of Proficiency (Standard) yesterday, I’m now the proud owner of the amateur callsign VK1PAW!

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Satellite Recieved

Feb 26 , 2014

At the local hackerspace tonight, I finally received a morse beacon from a satellite! Hooray! It was FO-29, an Amateur Radio satellite. You can find the wav file (22.05 kHz, mono 16 bit) I recorded of its CW beacon, on 435.795MHz here. The Morse is too fast for me to even translate it into dots and dashes! If you can keep up, please do let me know what it’s saying!

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Building GnuRadio from git on Debian 7

Feb 17 , 2014

Okay, so in order to play with some new blocks I found, [gr-rds] (https://github.com/argilo/gr-rds) in particular. It appears I needed a newer version of gnuradio than I had previously built from git to get the Control Port functions these blocks require.

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Roasting Setup

Feb 4 , 2014

I use an Ozito heatgun with a digital temperature gague, and a beat up Sunbeam Bakehouse breadmaker. I made a fibre-cement top with a hole for the heat gun to sit in, and one for chaff to exit! I’ve had this setup since December 2011, and it’s been awesome, fresh roasted coffee all the time is a big plus!

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